package echo.client;



import java.util.logging.Logger;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

public class EchoClientHandler extends ChannelHandlerAdapter {

	private int counter;
	static  final String ECHO_REQ="Hi,lilinfeng.Welcome to Netty .$_";
	//private static final Logger logger=Logger.getLogger(EchoClientHandler.class.getName());
	//private final ByteBuf firstMessage ;
	//private byte[] req;
	
	public EchoClientHandler() {
		//req=("QUERY TIME ORDER"+System.getProperty("line.separator")).getBytes();
		//firstMessage=Unpooled.buffer(req.length);
		//firstMessage.writeBytes(req);
	}
	
	public void channelActive(ChannelHandlerContext ctx) {
		//ByteBuf message=null;
		for(int i=0;i<20;i++) {
			//message=Unpooled.buffer(req.length);
			//message.writeBytes(req);
			try {
				Thread.sleep(300);
			} catch (InterruptedException e) {				
				e.printStackTrace();
			}
			ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));
		}		
		
	}
	
	public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
		
		//String body=(String) msg;
		//do something msg
		/*
		 * ByteBuf buf = (ByteBuf)msg; byte[] req = new byte[buf.readableBytes()];
		 * buf.readBytes(req); String body = new String(req, "utf-8");
		 */
		System.out.println("This is : " + ++counter +" times receive Server:"+"["+msg+"]" );					

}
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
		cause.printStackTrace();
		ctx.close();
	}	
	
	
	
}
